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Cheap flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre from $61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rio de Janeiro Santos Dumont Airport to Porto Alegre departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

Find the cheapest flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
1:30 pm - 7:10 pm
SDU
-
POA
5h 40m
1 stop
LATAM Airlines Logo
8:45 am - 3:30 pm
POA
-
SDU
6h 45m
1 stop
$121LATAM Airlines
Mon, Sep 21 - Sun, Sep 27
LATAM Airlines Logo
6:10 am - 10:15 am
SDU
-
POA
4h 05m
1 stop
LATAM Airlines Logo
7:15 am - 3:30 pm
POA
-
SDU
8h 15m
1 stop
$122LATAM Airlines
Wed, Oct 14 - Sun, Oct 18
GOL Logo
11:55 am - 4:40 pm
SDU
-
POA
4h 45m
1 stop
GOL Logo
12:30 pm - 4:35 pm
POA
-
SDU
4h 05m
1 stop
$124GOL
Tue, Sep 15 - Thu, Sep 17
LATAM Airlines Logo
9:15 am - 5:35 pm
SDU
-
POA
8h 20m
1 stop
LATAM Airlines Logo
7:15 am - 3:30 pm
POA
-
SDU
8h 15m
1 stop
$125LATAM Airlines
Fri, Sep 18 - Sun, Sep 27
LATAM Airlines Logo
4:40 pm - 10:45 pm
SDU
-
POA
6h 05m
1 stop
LATAM Airlines Logo
10:00 am - 4:35 pm
POA
-
SDU
6h 35m
1 stop
$127LATAM Airlines
Tue, Sep 15 - Mon, Sep 28
LATAM Airlines Logo
11:45 am - 7:10 pm
SDU
-
POA
7h 25m
1 stop
LATAM Airlines Logo
9:10 am - 11:05 am
POA
-
SDU
1h 55mnonstop
$128LATAM Airlines
Wed, Oct 21 - Sun, Oct 25
LATAM Airlines Logo
6:10 am - 11:35 am
SDU
-
POA
5h 25m
1 stop
LATAM Airlines Logo
10:00 am - 4:35 pm
POA
-
SDU
6h 35m
1 stop
$129LATAM Airlines
Fri, Oct 2 - Wed, Oct 7
Multiple Airlines Logo
12:50 pm - 4:40 pm
SDU
-
POA
3h 50m
1 stop
Multiple Airlines Logo
5:15 am - 1:35 pm
POA
-
SDU
8h 20m
1 stop
$131Multiple Airlines
Wed, Nov 18 - Sun, Nov 22
GOL Logo
6:05 pm - 10:40 pm
SDU
-
POA
4h 35m
1 stop
GOL Logo
8:00 am - 12:40 pm
POA
-
SDU
4h 40m
1 stop
$132GOL
Tue, Sep 15 - Thu, Sep 17
LATAM Airlines Logo
2:05 pm - 8:50 pm
SDU
-
POA
6h 45m
1 stop
LATAM Airlines Logo
8:45 am - 5:05 pm
POA
-
SDU
8h 20m
1 stop
$133LATAM Airlines
Thu, Sep 10 - Sun, Sep 13

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GOL flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Our best GOL deals on Rio de Janeiro Santos Dumont Airport to Porto Alegre flight tickets
GOL
Sep 15
SDU11:55 amRio de Janeiro Santos Dumont
4h 45m
1 stop
POA4:40 pmPorto Alegre Salgado Filho
Sep 17
POA12:30 pmPorto Alegre Salgado Filho
4h 05m
1 stop
SDU4:35 pmRio de Janeiro Santos Dumont
$124
GOL
Sep 15
SDU6:05 pmRio de Janeiro Santos Dumont
4h 35m
1 stop
POA10:40 pmPorto Alegre Salgado Filho
Sep 17
POA8:00 amPorto Alegre Salgado Filho
4h 40m
1 stop
SDU12:40 pmRio de Janeiro Santos Dumont
$132
GOL
Sep 15
SDU6:40 pmRio de Janeiro Santos Dumont
4h 00m
1 stop
POA10:40 pmPorto Alegre Salgado Filho
Sep 17
POA6:40 amPorto Alegre Salgado Filho
3h 20m
1 stop
SDU10:00 amRio de Janeiro Santos Dumont
$136

LATAM Airlines flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Our best LATAM Airlines deals on Rio de Janeiro Santos Dumont Airport to Porto Alegre flight tickets
LATAM Airlines
Sep 21
SDU1:30 pmRio de Janeiro Santos Dumont
5h 40m
1 stop
POA7:10 pmPorto Alegre Salgado Filho
Sep 27
POA8:45 amPorto Alegre Salgado Filho
6h 45m
1 stop
SDU3:30 pmRio de Janeiro Santos Dumont
$121
LATAM Airlines
Oct 14
SDU6:10 amRio de Janeiro Santos Dumont
4h 05m
1 stop
POA10:15 amPorto Alegre Salgado Filho
Oct 18
POA7:15 amPorto Alegre Salgado Filho
8h 15m
1 stop
SDU3:30 pmRio de Janeiro Santos Dumont
$122
LATAM Airlines
Sep 18
SDU9:15 amRio de Janeiro Santos Dumont
8h 20m
1 stop
POA5:35 pmPorto Alegre Salgado Filho
Sep 27
POA7:15 amPorto Alegre Salgado Filho
8h 15m
1 stop
SDU3:30 pmRio de Janeiro Santos Dumont
$125

momondo Fare Finder

 
Customize your flight search to find flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 6, 2026.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Mon 9/21

1:30 pm-7:10 pm

1 stop5h 40m

Porto Alegre Salgado Filho

Sun 9/27

8:45 am-3:30 pm

1 stop6h 45m

$121

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Wed 10/14

6:10 am-10:15 am

1 stop4h 05m

Porto Alegre Salgado Filho

Sun 10/18

7:15 am-3:30 pm

1 stop8h 15m

$122
Quickest round-trip

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Tue 9/15

11:55 am-4:40 pm

1 stop4h 45m

Porto Alegre Salgado Filho

Thu 9/17

12:30 pm-4:35 pm

1 stop4h 05m

$124

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Fri 9/18

9:15 am-5:35 pm

1 stop8h 20m

Porto Alegre Salgado Filho

Sun 9/27

7:15 am-3:30 pm

1 stop8h 15m

$125

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Tue 9/15

4:40 pm-10:45 pm

1 stop6h 05m

Porto Alegre Salgado Filho

Mon 9/28

10:00 am-4:35 pm

1 stop6h 35m

$127

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Wed 10/21

11:45 am-7:10 pm

1 stop7h 25m

Porto Alegre Salgado Filho

Sun 10/25

9:10 am-11:05 am

Nonstop1h 55m

$128

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Fri 10/2

6:10 am-11:35 am

1 stop5h 25m

Porto Alegre Salgado Filho

Wed 10/7

10:00 am-4:35 pm

1 stop6h 35m

$129

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Wed 11/18

12:50 pm-4:40 pm

1 stop3h 50m

Porto Alegre Salgado Filho

Sun 11/22

5:15 am-1:35 pm

1 stop8h 20m

$131

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Tue 9/15

6:05 pm-10:40 pm

1 stop4h 35m

Porto Alegre Salgado Filho

Thu 9/17

8:00 am-12:40 pm

1 stop4h 40m

$132

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Thu 9/10

2:05 pm-8:50 pm

1 stop6h 45m

Porto Alegre Salgado Filho

Sun 9/13

8:45 am-5:05 pm

1 stop8h 20m

$133

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto Alegre from

How to get the cheapest flight ticket from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Rio de Janeiro Santos Dumont Airport and Porto Alegre?

What is the cheapest month to fly to Porto Alegre?

The cheapest month to fly to Porto Alegre from Rio de Janeiro Santos Dumont Airport is in May. Flight prices, which tend to average around $135, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in May, then March is your next best option. Flight prices from Rio de Janeiro Santos Dumont Airport to Porto Alegre during March average around $143.

What is the cheapest day to depart on your flight to Porto Alegre?

Our data shows that Wednesday is the least expensive day to fly to Porto Alegre. Tickets to fly out on this day can be as low as $117. On the other hand, Sunday is the most expensive day to depart from Rio de Janeiro Santos Dumont Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $276.

What is the cheapest time of day to depart on your flight to Porto Alegre?

Our most recent data shows that the best time of day to fly to Porto Alegre is in the afternoon. Flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre during this time can be as low as $137. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $279 on average. Flights to Porto Alegre from Rio de Janeiro Santos Dumont Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight from Rio de Janeiro Santos Dumont Airport to Porto Alegre?

You are more likely to see cheaper flights to Porto Alegre from Rio de Janeiro Santos Dumont Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto Alegre for around $175 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto Alegre from Rio de Janeiro Santos Dumont Airport for as low as $102 on momondo.

How have Rio de Janeiro Santos Dumont Airport to Porto Alegre flight prices changed over time?

As of July 2026, prices for Rio de Janeiro Santos Dumont Airport to Porto Alegre flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Rio de Janeiro Santos Dumont Airport to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rio de Janeiro Santos Dumont Airport to Porto Alegre (SDU to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Fastest flight time

2h 00m

Direct flights

Tue, Thu, Fri, Sat and Sun

Airports in Porto Alegre

1 airport
The fastest flight from Rio de Janeiro Santos Dumont Airport to Porto Alegre takes 2h 00m
Direct flights go from Rio de Janeiro Santos Dumont Airport to Porto Alegre on Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Porto Alegre. From Rio de Janeiro Santos Dumont Airport there are direct flights to Porto Alegre Salgado Filho (POA).
Search flight deals

Frequently asked questions about flying from Rio de Janeiro Santos Dumont Airport to Porto Alegre

  • How far is Rio de Janeiro Santos Dumont to Porto Alegre Salgado Filho by plane?

    There are 699.4 mi between Rio de Janeiro Santos Dumont and Porto Alegre Salgado Filho. In terms of flight time, this usually takes a little over 2h 00m.

  • When did momondo last update prices for flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre Salgado Filho Airport?

    Prices for flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre Salgado Filho Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Rio de Janeiro Santos Dumont Airport to Porto Alegre Salgado Filho Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rio de Janeiro Santos Dumont Airport to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The necessary travel and health documents for your Porto Alegre Salgado Filho Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Rio de Janeiro to Porto Alegre?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rio de Janeiro to Porto Alegre. momondo saves you time and could save you money on your trip.

Can I find flights from Rio de Janeiro to Porto Alegre with flexible booking policies on momondo?

Yes. All flights to Porto Alegre from Rio de Janeiro on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Rio de Janeiro to Porto Alegre?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Rio de Janeiro to Porto Alegre.

I’m not ready to book a flight from Rio de Janeiro to Porto Alegre right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Rio de Janeiro to Porto Alegre flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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